@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,900&display=swap");
@charset "utf-8";
/* CSS Document */
.clear{font-size:0; line-height:0;clear: both;overflow: hidden; zoom: 1;}
.fr{float:right;}
.fl{float:left;}
a{text-decoration:none;}
a:hover{text-decoration:none; color:#c01701;transition:all 0.2s linear 0s;}
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;            
        }
        
        body {font-family: "Noto Sans SC";
            background-color: #f9f9f9;
            color: #333;
            overflow-x: hidden;
            line-height: 1.6;
        }
        
        /* 通用渐入动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 固定导航栏样式 */
        .caidan {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            width: 100% !important;
            z-index: 9999 !important;
            /*background-color: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(10px) !important;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1) !important;*/
            transition: all 0.3s ease !important;
        }
        
        /* 当滚动后，导航栏更实心 */
        .caidan.scrolled {
            background-color: rgba(255, 255, 255, 0.98) !important;
        }
        
        /* 确保导航栏在移动端也固定 */
        @media (max-width: 768px) {

            .caidan {
                background-color: rgba(255, 255, 255, 0.98) !important;
            }
           .section-title-p {
    font-family: "Poppins", sans-serif;
    text-align: center;
    font-size: 4vw !important;
    margin-bottom: 60px;
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
    animation-delay: 0.3s;
    width: 88%;
    text-align: left;
    margin: 0 auto 0vw auto;
    line-height: 11vw;
}
.celebrity-img {
    width: auto;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}
        }
 
        .section {
            position: relative;
            width: 100%;
            overflow: hidden;
            padding: 20px;
            padding-top: 100px !important; /* 为导航栏留出空间 */
        }
        
        /* 第一屏特殊处理 */
        #section1 {
            padding-top: 0 !important; /* 第一屏不需要顶部内边距 */
            background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0)), url('/images/licheng/banner1.jpg');
            background-size: cover;
            display: flex;
            flex-direction: column;
            justify-content: center;
          
            text-align: center;
            color: white;
        }
        
        .banner-content {
            animation: fadeInUp 1.5s ease-out;
            padding: 0 20px;
            margin-top: 0vw; /* 给内容添加上边距 */
			text-align: left;
			position: relative;
           left: 3%;
        }
        
        .banner-content h1 {
            font-size:4vw;
            margin-bottom: 2vw;
			line-height: 5vw;
            font-weight: normal;
        }
        
        .banner-content p {
            font-size: 1.8rem;
            margin:4.5vw auto;
        }
        .banner-content dd{
			font-size: 0.7rem;
            margin: 0 auto;
			}
        .scroll-down {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            color: white;
            font-size: 1.8rem;
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }
        
        /* 第二板块：发展历程 */
        #section2 {
            background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0)), url('/images/licheng/pplc.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 0px 0;
            position: relative;
        }
        
        .timeline-title {
            position: absolute;
            top: 180px; /* 调整顶部位置以适应导航栏 */
            right:8%;
            color: white;
            font-size: 2.8rem;
            text-align: right;
            z-index: 2;
            opacity: 0;
            animation: fadeInUp 1s ease-out forwards;
            animation-delay: 0.3s;
        }
        .timeline-title-p {
            position: absolute;
            top:245px; /* 调整顶部位置以适应导航栏 */
            right:8%;
            color: white;
            font-size: 1.5rem;
            text-align: right;
            z-index: 2;
            opacity: 0;
            animation: fadeInUp 1s ease-out forwards;
            animation-delay: 0.3s;
        }
        
        .timeline-vertical-line {
            position: absolute;
            top: 0;
            right: 15%;
            width: 2px;
            height: 100%;
            background: rgba(255, 255, 255, 000);
            z-index: 1;
        }
        
        .timeline-container {
            display: flex;
            width:100%;
            margin: 0 auto;
            position: relative;
            z-index: 2;
			top:0vw;
        }
        
        .timeline-column {
            flex: 1;
            height:100vh;
            position: relative;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all 0.5s ease;
            cursor: pointer;
            opacity: 0;
            transform: translateY(50px);
        }
        
        .timeline-column.active {
            opacity: 1;
            transform: translateY(0);
            animation: fadeInUp 1s ease-out forwards;
        }
        
        .timeline-column:nth-child(1) { animation-delay: 0.5s; }
        .timeline-column:nth-child(2) { animation-delay: 0.7s; }
        .timeline-column:nth-child(3) { animation-delay: 0.9s; }
        .timeline-column:nth-child(4) { animation-delay: 1.1s; }
        .timeline-column:nth-child(5) { animation-delay: 1.3s; }
        
        .timeline-column::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 1px;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
        }
        
        .timeline-column:last-child::after {
            display: none;
        }
        
        .timeline-column:hover {
            background-color: rgba(0, 0, 0, 0.5);
            transform: translateY(-15px);
        }
        
        .timeline-year {font-family: "Poppins", sans-serif;
            font-size:1.2vw;
            color: #fff;
            margin-bottom: 0px;
            transition: all 0.5s ease;
            font-weight: 700;
			text-align:center;
			padding-top:30vw;
        }
        
        .timeline-title-text {
            font-size:1.2vw;
            color: #f0f0f0;
            margin-bottom: 20px;
            transition: all 0.5s ease;
			text-align:center;
        }
        
        .timeline-desc {padding:0 1vw;
            font-size: 0.85vw;
            color: #ddd;
            line-height: 1.5;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: all 0.5s ease;
			text-align: center;
        }
        
        .timeline-column:hover .timeline-year {
            transform: translateY(-10px);
            color: #fff;
			padding-top: 10vw;
        }
        
        .timeline-column:hover .timeline-title-text {
            transform: translateY(-10px);
        }
        
        .timeline-column:hover .timeline-desc {
            max-height: 200px;
            opacity: 1;
            margin-top: 15px;
        }
        
        /* 第三板块：品牌大事件 */
        #section3 {
            background-color: #f5f5f5;
            padding: 80px 0;
        }
        
        .section-title {line-height: 3vw;font-family: "Poppins", sans-serif;
            text-align: center;
            font-size: 2.5vw;
            margin-bottom: 60px;
            opacity: 0;
            animation: fadeInUp 1s ease-out forwards;
            animation-delay: 0.3s;
			width:88%;
           text-align: left;
           margin: 0 auto;
        }
        .section-title-p {font-family: "Poppins", sans-serif;
            text-align: center;
            font-size: 1.2vw;
            margin-bottom: 60px;
            opacity: 0;
            animation: fadeInUp 1s ease-out forwards;
            animation-delay: 0.3s;
			width:88%;
            text-align: left;
            margin:0 auto 0vw auto;
        }
        .brand-container {
            width: 88%;
            max-width:1400px;
            margin:1.5vw 6% 0 6%;
            display: flex;
            gap: 20px;
            opacity: 0;
            transform: translateY(50px);
        }
        
        .brand-container.active {
            animation: fadeInUp 1.2s ease-out forwards;
        }
        
        .brand-left, .brand-center, .brand-right {
            display: flex;
            flex-direction: column;
        }
        
        .brand-left {
            flex: 2;
            gap: 20px;
        }
        
        .brand-center {
            flex: 3;
        }
        
        .brand-right {
            flex: 2;
            gap: 20px;
        }
        
        .left-top {
            flex: 1;
            display: flex;
            gap: 20px;
        }
        
        .left-bottom {
            flex: 1;
        }
        
        .brand-item {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
        }
        
        .brand-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        .brand-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .brand-item:hover .brand-img {
            transform: scale(1.05);
        }
        
        .brand-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 20px;
            background: transparent;
            color: white;
            transition: all 0.4s ease;
        }
        
        .brand-desc {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: all 0.5s ease;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        
        .brand-item:hover .brand-overlay {
            background: linear-gradient(to top, #ff0816, rgba(231, 76, 60, 0.7), transparent);
        }
        
        .brand-item:hover .brand-desc {
            max-height: 100px;
            opacity: 1;
        }
        
        .brand-title {
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .left-top .brand-item, .left-bottom .brand-item, .brand-right .brand-item {
            height: 100%;
        }
        
        .left-top .brand-item {
            width: calc(50% - 10px);
        }
        
        .brand-center .brand-item {
            height: 100%;
        }
        
        .brand-right .brand-item {
            flex: 1;
        }
        
        /* 第四板块：交互式效果 - 优化快速转换 */
        #section4 {
            background-color: #f6f6f6 !important;
            color: white;
            padding: 0;
            overflow: hidden;
            position: relative;
        }
        
        /* 交互主容器 */
        .interactive-main-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 100;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        .interactive-main-container.active {
            opacity: 1;
            pointer-events: all;
        }
        
        /* 背景图容器 */
        .background-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
        }
        
        .background-image {
            position: absolute;
            width: 100%;
            height: 100%;
            background-image: url('/images/licheng/jiating.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: all 0.8s ease-out;
            opacity: 1;
            border-radius: 0;
            background-color: transparent;
        }
        
        /* 标题容器 */
        .title-container {
            position: absolute;
            top: 8vw;
            left: 6%;
            z-index: 2;
            width: 42vw;
            pointer-events: none;
        }
        
        /* 标题行容器 */
        .title-lines-container {
            position: relative;
            height:40vw;
            overflow: hidden;
        }
        
        /* 单行标题样式 */
        .title-single {font-family: "Poppins", sans-serif;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            opacity: 1;
            transform: translateY(0);
            transition: all 0.4s ease-out;
            font-weight:600;
            font-size:2.5rem;
            line-height: 1.2;
            height: 60px;
			
        }
		.biaozhu{
			font-size: 0.8vw;
            margin-top:9vw;
            transition: opacity 0.3s ease; /* 添加平滑过渡 */
        }
        
        /* 多行标题样式 */
        .title-multi {font-family: "Poppins", sans-serif;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s ease-out;
			color: #333;
			font-weight:600;
        }
        
        .title-multi-line {
            margin-bottom: 0px;
            font-weight:800;
            font-size: 2.8rem;
            line-height: 1.2;
            height: 60px;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.4s ease-out;
        }
        
        .title-multi-line:nth-child(1) {
            transition-delay: 0.1s;
        }
        
        .title-multi-line:nth-child(2) {
            transition-delay: 0.1s;
        }
        
        .title-multi-line:nth-child(3) {
            transition-delay: 0.1s;
        }
		
		.title-multi-line:nth-child(4) {
            transition-delay: 0.1s;
        }
        
        .title-multi-line.highlight {
            color: #333;
            font-weight:normal;
        }
		
		.title-multi-line.miaoshu {
            color: #333;
    font-weight: normal;
    font-size: 1.5vw;
    margin-top: 5vw;
        }
        
        /* 图片网格容器 */
        .image-grid-container {
            position: absolute;
            top: 50%;
            right: 10%;
            transform: translateY(-50%);
            width: 55%;
            height: 70vh;
            z-index: 3;
            pointer-events: none;
            display: flex;
            flex-direction: column;
            justify-content: center;
            opacity: 0;
        }
        
        .image-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: repeat(3, 1fr);
            gap: 12px;
            height: 100%;
            width: 100%;
        }
        
        .image-item {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            opacity: 0;
            transform: scale(0.8) translateY(30px);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        /* 第一个图片项 */
        .image-item.first {
            position: relative;
            overflow: hidden;
        }
        
        .image-item.first .background-placeholder {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/images/licheng/jiating.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.6s ease;
            z-index: 2;
            border-radius: 8px;
        }
        
        .image-item.first.show-background .background-placeholder {
            opacity: 1;
        }
        
        .image-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .image-item.active {
            opacity: 1;
            transform: scale(1) translateY(0);
            pointer-events: auto;
        }
        
        .image-item.active:hover img {
            transform: scale(1.05);
        }
        
        .image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 12px;
            /*background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);*/
            color: white;
            transform: translateY(100%);
            transition: transform 0.4s ease;
            font-size: 0.8rem;
        }
        
        .image-item.active:hover .image-caption {
            transform: translateY(0);
        }
        
        /* 状态文本 */
        .state-text {
            position: absolute;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%);
            color: white;
            z-index: 4;
            text-align: center;
            opacity: 0;
            transition: opacity 0.5s ease;
            background-color: rgba(0, 0, 0, 0.5);
            padding: 10px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            max-width: 300px;
            pointer-events: none;
        }
        
        .state-text.show {
            opacity: 0;
        }
        
        /* 图片计数器 */
        .image-counter {
            position: absolute;
            bottom: 40px;
            right: 30px;
            z-index: 4;
            color: white;
            font-size: 1.2rem;
            opacity: 0;
            transition: opacity 0.5s ease;
            background-color: rgba(0, 0, 0, 0.5);
            padding: 8px 15px;
            border-radius: 20px;
            pointer-events: none;
        }
        
        .image-counter.show {
            opacity: 0.8;
        }
        
        /* 进度指示器 */
        .progress-indicator {opacity: 0;
            position: absolute;
            top: 50%;
            right: 30px;
            transform: translateY(-50%);
            z-index: 5;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .progress-step {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .progress-step.active {
            background-color: #ffd166;
            transform: scale(1.3);
        }
        
        /* 进度条 */
        .progress-bar {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            z-index: 6;
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .progress-fill {
            height: 100%;
            width: 0%;
            background: linear-gradient(to right, #ff0816, #ff0816);
            transition: width 0.3s ease;
        }
        
        /* 滚动提示 */
        .scroll-hint {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 4;
            text-align: center;
            opacity: 0.8;
            animation: bounce 2s infinite;
            pointer-events: none;
            color: white;
        }
        
        .scroll-hint i {
            display: block;
            font-size: 1.8rem;
            margin-bottom: 5px;
        }
        
        /* 完成提示 */
        .complete-hint {
            position: absolute;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 7;
            text-align: center;
            opacity: 0;
            transition: opacity 0.5s ease;
            background-color: rgba(0, 0, 0, 0.7);
            padding: 15px 30px;
            border-radius: 30px;
            font-size: 1rem;
            color: #fff;
            pointer-events: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .complete-hint.show {
            opacity: 1;
            pointer-events: auto;
        }
        
        /* 第五板块：视频展示 */
        #section5 {
            background-color: #f6f6f6 !important;
            padding: 80px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .video-section {
            width: 100%;            
            margin: 0 auto;
            padding: 0 0px;
        }

        .video-container {
            width: 100%;
            height: 100vh;
            border-radius: 0px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            margin-top: 0vw;
        }

        .video-wrapper {
            position: relative;
            width: 100%;
            height: 100%;
        }

        #mainVideo {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .video-controls {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 15px 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .video-wrapper:hover .video-controls {
            opacity: 1;
        }

        .control-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .control-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }

        .video-progress-bar {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 2px;
            cursor: pointer;
            position: relative;
        }

        .video-progress-fill {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 0%;
            background: #ff3366;
            border-radius: 2px;
            transition: width 0.1s linear;
        }
        
        /* 第六板块：奖项无缝轮播 - 已修改为图片 */
        #section6 {
            background-color: #fff !important;
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        
        .carousel-container {background-color: #f6f6f6;
            position: relative;
            width: 100%;
            height: 450px; /* 增加高度以适应图片 */
            margin-top: 4vw;
            overflow: hidden;
        }
        
        .awards-track {
            display: flex;
            position: absolute;
            top: 3vw;
            left: 0;
            height: 100%;
            animation: scrollLeft 30s linear infinite;
            will-change: transform;
        }
        
        /* 复制一份用于无缝轮播 */
        .awards-track::after {
            content: '';
            display: flex;
        }
        
        .award-item {
            flex: 0 0 auto;
            width: 240px; /* 稍微增加宽度 */
            height: 350px; /* 增加高度以容纳图片 */
            margin: 0 20px; /* 增加间距 */
            border-radius: 15px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 30px 20px;
            transition: all 0.3s ease;
        }
        
        .award-item:hover {
            transform: translateY(-10px);
        }
        
        /* 奖项图片容器 */
        .award-icon {
            width: 130px;
            height: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            overflow: hidden;
        }
        
        /* 奖项图片 */
        .award-img {
            width: 100%;
            height: 100%;
            object-fit: contain; /* 保持图片比例 */
            transition: transform 0.3s ease;
        }
        
        .award-item:hover .award-img {
            transform: scale(1.1);
        }
        
        .award-name {
            font-size: 1.2rem;
    font-weight: normal;
    text-align: center;
    margin-bottom: 0px;
    color: #666;
    line-height: 1.8vw;
        }
        
        .award-year {
            color: #777;
            font-size: 0rem;
            background-color: #f5f5f5;
            padding:0;
            border-radius: 20px;
        }
        
        /* 修复无缝轮播动画 */
        @keyframes scrollLeft {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        
        /* 第七板块：明星达人推荐 */
        #section7 {
            background-color: white;
            padding: 80px 0;
			height:auto;
        }
        
        .celebrity-container {
            width:88%;      
            margin: 0 auto;
            display: flex;
            gap: 13px;
            opacity: 1;
            transform: translateY(50px);
			margin-top: 0vw;
        }
        
        .celebrity-container.active {
            animation: fadeInUp 1.2s ease-out forwards;
        }
        
        .celebrity-left {
            flex: 0 0 45%;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .celebrity-right {
            flex: 0 0 55%;
            display: flex;
            flex-direction: column;
            gap: 13px;
        }
        
        .celebrity-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .celebrity-item {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            
        }
        
        .celebrity-item:hover .celebrity-img {
            transform: scale(1.05);
        }
        
        .celebrity-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            opacity: 0;
            transition: all 0.5s ease;
        }
        
        .celebrity-item:hover .celebrity-overlay {
            opacity: 1;
        }
        
        .celebrity-name {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .celebrity-title {
            font-size: 1.2rem;
            color: #f1c40f;
        }
        
        .celebrity-left {
            height: 33vw;
        }
        
        .celebrity-right .celebrity-item:first-child {
            height: 23vw;
        }
        
        .celebrity-right .celebrity-item:last-child {
            height: 9vw;
        }
        
        /* 第八板块：视频列表 */
        #section8 {
            background-color:#ffffff !important;
            padding: 0px 0;
        }
        
        .videos-container {
            width:88%;
           
            margin: 0 auto;
            display: flex;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 15px;
            opacity: 0;
            transform: translateY(50px);
        }
        
        .videos-container.active {
            animation: fadeInUp 1.2s ease-out forwards;
        }
        
        .video-item {width:25%;
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            background-color: #333;
            height: 40vw;
            cursor: pointer;
        }
        
        .video-thumbnail {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.3s ease;
        }
        
        .play-button {
            position: absolute;
            top:86%;
            left:20%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background-color:#bbb;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 1.8rem;
            transition: all 0.3s ease;
            z-index: 2;
        }
        
        .play-button.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        .play-button:hover {
            background-color: rgba(231, 76, 60, 1);
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-playing .video-thumbnail {
            filter: brightness(0.7);
        }
        
        /* FullPage.js导航点样式 */
        #fp-nav ul li a span, 
        .fp-slidesNav ul li a span {
            background:#1b5de7;
        }
		
		#fp-nav ul li .fp-tooltip {
    position: absolute;
    top: -2px;
    color: #0a56f5 !important;
    font-size: 14px;
    font-family: arial, helvetica, sans-serif;
    white-space: nowrap;
    max-width: 220px;
    overflow: hidden;
    display: block;
    opacity: 0;
    width: 0;
    cursor: pointer;
}
#fp-nav ul li a.active span, .fp-slidesNav ul li a.active span, #fp-nav ul li:hover a.active span, .fp-slidesNav ul li:hover a.active span {
    background: #0753f1 !important;
}
        
        #fp-nav ul li a.active span, 
        .fp-slidesNav ul li a.active span,
        #fp-nav ul li:hover a.active span, 
        .fp-slidesNav ul li:hover a.active span {
            background: #ff0000;
        }
        
        /* 添加平滑过渡样式 */
        #section4,
        #section5 {
            transition: opacity 0.5s ease;
        }
        
        /* 第四板块的平滑过渡 */
        .interactive-main-container {
            transition: opacity 0.3s ease;
        }
        
        .interactive-main-container.active {
            opacity: 1;
        }
        
        /* 滚动过渡优化 */
        .fp-section {
            transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        /* 防止滚动冲突 */
        body.fp-noscroll {
            overflow: hidden !important;
        }
        
        /* Footer 作为第9个section */
        #section9 {
            background-color: #222 !important;
            padding: 0 !important;
            height: auto !important;
        }
        
        #section9 .fp-scrollable {
            display: none;
        }
        
        #section9 .fp-tableCell {
            height: auto !important;
            padding: 0 !important;
            display: block !important;
        }
        
       
        
        /* 返回顶部按钮 */
         /* 回到顶部按钮样式 */
        .back-to-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 50px;
            height: 50px;
            background-color: #1177e3;
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, #3a0ca3, #4361ee);;
            transform: translateY(-10px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top i {
            font-size: 18px;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            #section3 {
    background-color: #f5f5f5;
    padding: 45px 0;
}
         .fp-section {
    box-sizing: border-box;
    display: block;
    height: auto;
}   
        .brand-item img{width: 100%;}     
      #mainVideo {
    width: 100%;
    height:164vw;
    object-fit: cover;
}
        .brand-title {
    font-size: 3.5vw;
    font-weight: 600;
}
            .celebrity-right .celebrity-item:first-child {
    height: auto;
}
            .celebrity-right .celebrity-item:last-child {
            height: 29vw;
        margin-top: 6vw;
}
            .timeline-year {
    font-family: "Poppins", sans-serif;
    font-size: 6vw;
    color: #fff;
    margin-bottom: 0px;
    transition: all 0.5s ease;
    font-weight: 700;
    text-align: center;
    padding-top: 0vw;
}
.timeline-title-text {
    font-size:4vw;
    color: #f0f0f0;
    margin-bottom: 20px;
    transition: all 0.5s ease;
    text-align: center;
}
.timeline-desc {
    padding: 0 1vw;
    font-size: 3.5vw;
    color: #ddd;
    line-height: 1.5;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease;
    text-align: center;
}
.title-multi-line {
    margin-bottom: 0px;
    font-weight: 800;
    font-size: 2.8rem;
    line-height: 1.2;
    height: 8vw;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease-out;
}
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 45px;
                height: 45px;
            }
            
            /* 移动端导航栏调整 */
            .caidan {
                height: 60px;
            }
            
            .section {
                padding-top:0vw !important; /* 移动端稍小一些 */
            }
            
            #section1 {
                padding-top: 0 !important;
                height: 48vw;
                margin-top: 15vw;
            }
            
            .banner-content {
                margin-top: 60px;
            }
            
            .timeline-title {
                top: 7vw;
                font-size: 2rem;
            }
            
            .timeline-title-p {
                top: 15vw;
                font-size:4vw;
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .brand-container, .celebrity-container {
                flex-direction: column;
            }
            
            .brand-left, .brand-center, .brand-right {
                width: 100%;
                margin-bottom: 20px;
            }
            
            .left-top {
                height: 300px;
            }
            
            .left-bottom {
                height: 300px;
            }
            
            .brand-center .brand-item {
                height: 400px;
            }
            
            .celebrity-left, .celebrity-right {
                width: 100%;
            }
            
            .celebrity-left {
                height: 500px;
            }
            
            .celebrity-right {
                height: 500px;
            }
            
            .timeline-title {
                right: 5%;
            }
            
            .timeline-vertical-line {
                right: 10%;
            }
            
            .title-container {
                left: 40px;
                top: 40px;
                width: 400px;
            }
            
            .image-grid-container {
                width: 50%;
                right: 5%;
            }
        }
        
        @media (max-width: 992px) {
            .image-grid-container {
                width: 55%;
            }
            
            .title-single,
            .title-multi-line {
                font-size: 2.2rem;
            }
            
            .title-container {
                width: 350px;
            }
        }
        
        @media (max-width: 768px) {
            .celebrity-right {
    flex: 0 0 55%;
    display: flex;
    flex-direction: column;
    gap: 13px;
    margin-top: 12vw;
}
            .banner-content h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size:5vw;
                line-height: 10vw;
            }
            
            .timeline-container {
                flex-direction: column;
            }
            
            .timeline-column {
                height: auto;
                min-height: 150px;
                margin-bottom: 0px;
            }
            
            .timeline-column::after {
                display: none;
            }
            
            .timeline-title {
                font-size:5vw;
                right: 5%;
            }
            
            .image-grid-container {
        width: 90%;
        height: auto;
        top: 51%;
        right: 5%;
    }
}
            
            .title-container {
                left: 4vw;
                top: 5vw;
                width: 300px;
            }
            
            .title-single,
            .title-multi-line {
                font-size:2.5rem;
            }
            
            .title-lines-container {
                height:230px;
            }
            
            .progress-indicator {
                right: 15px;
            }
            
            .scroll-hint {
                bottom: 20px;
            }
            
            .footer-section {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }
            
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            
            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            .video-container {
             height: auto;
}
        }
           
        @media (max-width: 576px) {
            .image-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(4, 1fr);
                gap: 8px;
            }
            
            .title-lines-container {
                height: 130px;
            }
            .title-single,
            .title-multi-line {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .title-single, .title-multi-line {
        font-size:1.5rem;
    }
    .title-multi-line.miaoshu {
    color: #333;
    font-weight: normal;
    font-size: 3vw;
    margin-top: 5vw;
}
.biaozhu {
    font-size: 3vw;
    margin-top: 18vw;
    transition: opacity 0.3s ease;
}
         }